Alloy A contains metals x and y in the ratio 5 : 2 and alloy B contains these metals in the ratio 3 : 4. Alloy C is prepared by mixing A and in theratio 4 : 5. The percentageofy in alloy C is:

A

$$55\frac{5}{9}\%$$

B

$$33\frac{4}{9}\%$$

C

$$44\frac{4}{9}\%$$

D

$$66\frac{4}{9}\%$$